adding integration tests

Author: caelcs

src/main/java/uk/co/caeldev/builder4test/EntityBuilder.java

@@ -1,6 +1,6 @@
 package uk.co.caeldev.builder4test;
 
-class EntityBuilder<K> {
+public class EntityBuilder<K> {
 
     private final Lookup lookup;
     private final Creator<K> creator;
@@ -14,12 +14,12 @@ static <T> EntityBuilder<T> entityBuilder(Creator<T> Creator) {
         return new EntityBuilder<>(Creator);
     }
 
-    <V> EntityBuilder<K> with(String fieldName, V value) {
+    public <V> EntityBuilder<K> with(String fieldName, V value) {
         lookup.add(new Value<>(fieldName, value));
         return this;
     }
 
-    K get() {
+    public K get() {
         creator.initializeLookup(lookup);
         return creator.build();
     }

src/test/java/integration/BuilderIntegrationTest.java

@@ -0,0 +1,44 @@
+package integration;
+
+import org.junit.jupiter.api.Test;
+import uk.co.caeldev.builder4test.Builder;
+import uk.co.caeldev.builder4test.Creator;
+import uk.co.caeldev.builder4test.impl.Pojo;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class BuilderIntegrationTest {
+
+    @Test
+    public void shouldBuildPojo() {
+        //When
+        Pojo pojo = Builder.build().entity(getCreator()).get();
+
+        //Then
+        assertThat(pojo.getName()).isEqualTo("Testname");
+        assertThat(pojo.getValue()).isEqualTo("TestValue");
+    }
+
+    @Test
+    public void shouldBuildPojoOverridingValues() {
+        //When
+        Pojo pojo = Builder.build()
+                .entity(getCreator())
+                .with("name", "nameoverrideed")
+                .with("value", "valueoverrided")
+                .get();
+
+        //Then
+        assertThat(pojo.getName()).isEqualTo("nameoverrideed");
+        assertThat(pojo.getValue()).isEqualTo("valueoverrided");
+    }
+
+    private Creator<Pojo> getCreator() {
+        return new Creator<Pojo>() {
+            @Override
+            public Pojo build() {
+                return new Pojo(lookup("name", "Testname"), lookup("value", "TestValue"));
+            }
+        };
+    }
+}